CVE-2026-124627

Quick assessment

Affected

Octopus Deploy Octopus Server

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在受影响的 Octopus Server 版本中，对新注册用户所关联的外部身份进行验证时存在缺陷，可能导致该用户错误地获得另一位用户的 LDAP 映射团队成员身份及相关权限。此问题仅影响启用了 LDAP 身份验证且已将 LDAP 组映射到 Octopus 团队的实例。

CVSS 8.7 · High Updated Nov 12, 2026

Possible ATT&CK Techniques 2 AI

T1110.001 · Password Guessing T1078.004 · Cloud Accounts

Get alerts for future matching vulnerabilities Log in to subscribe

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

N/A

Source: CVE Program / CVE List V5

Vulnerability Description

In affected versions of Octopus Server, incorrect validation of the external identity linked to a newly registered user could result in that user receiving the LDAP-mapped team memberships and associated permissions of another user. This issue only affects instances with LDAP authentication enabled and LDAP groups mapped to Octopus teams.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Source: CVE Program / CVE List V5

Vulnerability Type

授权机制不正确

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Octopus Deploy	Octopus Server	3.0.0 ~ 2026.2.13526	-

II. Public POCs for CVE-2026-124627

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-124627

请登录查看更多情报信息。

Other References for CVE-2026-124627 (1)

https://advisories.octopus.com/post/2026/sa2026-23

https://www.cve.org/CVERecord?id=CVE-2026-124627

Same Patch Batch · Octopus Deploy · 2026-11-12 · 3 CVEs total

CVE-2026-116835	8.7 HIGH	Octopus Server 特定版本 OIDC 令牌伪造漏洞
CVE-2026-124628	8.7 HIGH	Octopus Server 版本 LDAP 身份验证绕过漏洞

IV. Related Vulnerabilities

Same product: Octopus Server

Same vendor: Octopus Deploy

Same weakness: CWE-863